HPE 789151-B21 480GB 2.5Inch SFF NAND RI SSD

HPE 789151-B21 480GB SATA 2.5IN 6G RI SFF SSD Product Details

The HPE 789151-B21 480GB SATA 2.5-inch 6G Read Intensive Small Form Factor Solid State Drive is part of Hewlett Packard Enterprise’s robust lineup of enterprise storage devices engineered to deliver predictable performance, reliability, and efficiency for ProLiant servers. As businesses increasingly rely on faster storage mediums to meet the demands of virtualization, analytics, cloud computing, and online services, this SSD represents a cost-effective yet enterprise-grade solution tailored to read-heavy workloads. With its hot-plug functionality, 6Gb/s SATA interface, and enterprise value-class design, it provides dependable operation in critical IT environments that require high uptime and efficient data access.

Main Attributes of HPE 789151-B21

• Storage capacity of 480GB ideal for enterprise read workloads.
• Interface type: Serial ATA-600 (SATA III) supporting 6Gb/s bandwidth.
• Form factor: 2.5-inch SFF (Small Form Factor) for dense server configurations.
• Hot-plug capability allowing maintenance without service interruption.
• Optimized for Read-Intensive (RI) workloads in data-driven environments.
• Part of the ProLiant hard drive family, ensuring seamless integration with HPE infrastructure.

Advantages of SATA Enterprise SSD Technology

Serial ATA (SATA) SSDs like the HPE 789151-B21 provide organizations with a balance of affordability, compatibility, and performance. Unlike traditional hard disk drives (HDDs), SSDs store data on flash memory chips, allowing rapid access times and lower latency. The 6Gb/s SATA III interface ensures compatibility with a wide array of servers while delivering the bandwidth needed for most enterprise read-heavy tasks.

Key Advantages

• Low Latency: Rapid response times significantly improve application load speeds compared with spinning drives.
• Energy Efficient: Consumes less power, reducing operational costs across data centers.
• Reduced Heat Output: Enhances system longevity by minimizing thermal strain.
• Hot-Plug Design: Critical for high-availability systems, minimizing downtime during replacements.
• Enterprise Validation: Tested rigorously by HPE to meet reliability and compatibility standards.

Target Workloads and Applications

This solid state drive excels in scenarios where data reads dominate operational patterns. Read-Intensive drives are not designed for sustained heavy writes but instead provide a cost-effective alternative for enterprises needing predictable, read-focused storage tiers.

Deployment Examples

• Hosting virtual machines where boot image access and read traffic are prevalent.
• Database read replicas used for queries, reporting, and analytics offloading.
• Content delivery systems serving static files, images, and media streams.
• Search index storage where large read lookups are frequent.
• Use in cloud infrastructures for caching and metadata services.

Benefits for Data Centers

Data centers adopting the HPE 789151-B21 benefit from higher density deployments due to its SFF form factor, allowing more drives per chassis and maximizing rack utilization. Hot-swap support means storage administrators can replace faulty units without bringing down servers, preserving service continuity.

Technical Specifications in Detail

Core Hardware Specifications

• Part Number: 789151-B21
• Manufacturer: Hewlett Packard Enterprise
• Category: ProLiant Hard Drive
• Sub-Category: Solid State Drive (SSD)
• Storage Capacity: 480GB
• Interface: Serial ATA-600 (SATA III)
• Speed: 6Gb/s
• Form Factor: 2.5-inch SFF, Internal
• Hot Plug: Supported
• Performance Class: Read-Intensive

Integration with HPE ProLiant Servers

The HPE 789151-B21 is engineered for smooth deployment within HPE’s ProLiant server ecosystem. Each SSD is tested for firmware compatibility, ensuring optimal operation with Smart Array controllers and HPE’s management utilities. Organizations leveraging ProLiant servers can seamlessly integrate these drives without concerns of mismatch or instability.

Supported Server Lines

• HPE ProLiant DL series including high-density rack servers.
• HPE ProLiant ML tower servers in enterprise deployments.
• HPE BladeSystem enclosures leveraging SFF drives.
• Compatible storage arrays supporting SATA 2.5-inch SSDs.

Management Utilities

HPE Smart Storage Administrator (SSA) and Integrated Lights-Out (iLO) software provide monitoring, reporting, and firmware management for the drive. Administrators can check drive health, predict failures, and update firmware in a streamlined manner.

Comparisons with Other Drive Categories

SATA SSD vs SAS SSD

SATA SSDs like the HPE 789151-B21 are cost-effective and compatible, but SAS SSDs offer higher throughput, dual-port redundancy, and better scaling in enterprise arrays. Businesses with heavy transactional workloads might favor SAS drives, while read-focused environments find SATA SSDs sufficient.

SATA SSD vs NVMe SSD

NVMe SSDs provide significantly higher performance, leveraging PCIe lanes for bandwidth far beyond SATA’s 6Gb/s ceiling. However, NVMe drives generally come at a premium and require compatible hardware. The HPE 789151-B21 balances cost and performance for workloads that don’t require NVMe-level throughput.

Reliability and Endurance Considerations

HPE’s read-intensive SSDs are tested to meet endurance thresholds suited for workloads where reads dominate. While they cannot handle the same sustained write activity as mixed-use or write-intensive drives, they still provide robust performance with high reliability in their targeted scenarios.

Data Protection

• Integrated error correction and data integrity features.
• Support for HPE Smart Carrier technology to signal drive status.
• Validated against HPE’s rigorous enterprise testing procedures.